# -*- coding: utf-8 -*-


x = range(10, 20)

print(type(x))


y = list(x)

print("y1-------")
print(y)            # [10, 11, 12, 13, 14, 15, 16, 17, 18, 19]

z = y.pop(-1)

print(z)

print("y2-------")

print(y)